[syslinux] "keeppxe" broken in 3.74 - short-cycle 3.75

[H. Peter Anvin]

Gilles Espinasse wrote:
> Sorry, it should have work with patch only before.
> I had issue unrelated to syslinux and in the battle, I probably forgot MENU
> NOSAVE at top.

MENU NOSAVE at the top shouldn't actually be needed.

> Don't know how as I remember to edit extlinux.conf for that change.
> 
> All is well in 3.75-pre3
> Tested with MENU SAVE and MENU NOSAVE at top menu
> Both work as expected.

OK.

	-hpa